1. Chemistry Department Faculty of Science Beirut Arab University Beirut P.O. Box 11-5020 Lebanon
2. Department of Biological Sciences Faculty of Science Beirut Arab University Beirut P.O. Box 11-5020 Lebanon
3. Inorganic and Organometallic Coordination Chemistry Laboratory Faculty of Sciences I Lebanese University Hadath P.O. Box 6573/14 Lebanon
4. Molecular Biology Unit Department of Zoology Faculty of Science Alexandria University Alexandria 21568 Egypt
5. Physics Department Faculty of Science Beirut Arab University Beirut P.O. Box 11-50205020 Lebanon
6. Physics Department Faculty of Science Alexandria University Alexandria 21568 Egypt